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Wiegand refactor

This commit is contained in:
Theo Arends 2021-01-21 13:44:39 +01:00
parent 10dfbd9695
commit 7ddb6ad233
1 changed files with 55 additions and 53 deletions
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108
tasmota/xsns_82_wiegand.ino
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@ -19,11 +19,19 @@
#ifdef USE_WIEGAND
/*********************************************************************************************\
MQTT:
%prefix%/%topic%/SENSOR = {"Time":"2021-01-13T12:30:38","Wiegand":{"UID":"rfid tag"}}
Domoticz:
The nvalue will be always 0 and the svalue will contain the tag UID as string.
* Wiegand 24, 26, 32, 34 bit Rfid reader 125 kHz
*
* Wire connections:
* Red Vdc
* Black Gnd
* Green D0
* White D1
* Yellow Buzzer
* Blue Led
* Grey 34-bit if connected to Gnd
*
* MQTT:
* %prefix%/%topic%/SENSOR = {"Time":"2021-01-13T12:30:38","Wiegand":{"UID":"rfid tag"}}
\*********************************************************************************************/
#warning **** Wiegand interface enabled ****
@ -270,8 +278,7 @@ char Wiegand::translateEnterEscapeKeyPress(char oKeyPressed) {
}
}
bool Wiegand::WiegandConversion ()
{
bool Wiegand::WiegandConversion () {
bool bRet = false;
unsigned long nowTick = millis();
// Add a maximum wait time for new bits
@ -284,43 +291,40 @@ bool Wiegand::WiegandConversion ()
}
if (diffTicks > WIEGAND_BIT_TIMEOUT) { // Last bit found is WIEGAND_BIT_TIMEOUT ms ago
#if (DEV_WIEGAND_TEST_MODE)>0
AddLog_P(LOG_LEVEL_INFO, PSTR("WIE: raw tag: %llu "), rfidBuffer);
AddLog_P(LOG_LEVEL_INFO, PSTR("WIE: bit count: %u "), bitCount);
AddLog_P(LOG_LEVEL_INFO, PSTR("WIE: Raw tag %llu, Bit count %u"), rfidBuffer, bitCount);
#endif
if ((bitCount==4)||(bitCount==8)||(bitCount==24)||(bitCount==26)||(bitCount==32)||(bitCount==34)) {
if ((bitCount==24)||(bitCount==26)||(bitCount==32)||(bitCount==34)) {
// 24,26,32,34-bit Wiegand codes
rfid = CheckAndConvertRfid( rfidBuffer, bitCount);
tagSize=bitCount;
bitCount=0;
rfidBuffer=0;
bRet=true;
}
if (bitCount==4) {
// 4-bit Wiegand codes for keypads
rfid = (int)translateEnterEscapeKeyPress(rfidBuffer & 0x0000000F);
tagSize = bitCount;
bitCount = 0;
rfidBuffer = 0;
bRet=true;
}
if (bitCount==8){
// 8-bit Wiegand codes for keypads with integrity
// 8-bit Wiegand keyboard data, high nibble is the "NOT" of low nibble
// eg if key 1 pressed, data=E1 in binary 11100001 , high nibble=1110 , low nibble = 0001
char highNibble = (rfidBuffer & 0xf0) >>4;
char lowNibble = (rfidBuffer & 0x0f);
if (lowNibble == (~highNibble & 0x0f)) { // Check if low nibble matches the "NOT" of high nibble.
rfid = (int)translateEnterEscapeKeyPress(lowNibble);
bRet = true;
} else {
lastFoundTime = nowTick;
bRet = false;
}
tagSize = bitCount;
bitCount = 0;
rfidBuffer = 0;
if ((24 == bitCount) || (26 == bitCount) || (32 == bitCount) || (34 == bitCount)) {
// 24, 26, 32, 34-bit Wiegand codes
rfid = CheckAndConvertRfid( rfidBuffer, bitCount);
tagSize = bitCount;
bitCount = 0;
rfidBuffer = 0;
bRet = true;
}
else if (4 == bitCount) {
// 4-bit Wiegand codes for keypads
rfid = (int)translateEnterEscapeKeyPress(rfidBuffer & 0x0000000F);
tagSize = bitCount;
bitCount = 0;
rfidBuffer = 0;
bRet = true;
}
else if (8 == bitCount) {
// 8-bit Wiegand codes for keypads with integrity
// 8-bit Wiegand keyboard data, high nibble is the "NOT" of low nibble
// eg if key 1 pressed, data=E1 in binary 11100001 , high nibble=1110 , low nibble = 0001
char highNibble = (rfidBuffer & 0xf0) >>4;
char lowNibble = (rfidBuffer & 0x0f);
if (lowNibble == (~highNibble & 0x0f)) { // Check if low nibble matches the "NOT" of high nibble.
rfid = (int)translateEnterEscapeKeyPress(lowNibble);
bRet = true;
} else {
lastFoundTime = nowTick;
bRet = false;
}
tagSize = bitCount;
bitCount = 0;
rfidBuffer = 0;
} else {
// Time reached but unknown bitCount, clear and start again
lastFoundTime = nowTick;
@ -332,18 +336,17 @@ bool Wiegand::WiegandConversion ()
bRet = false; // watching time not finished
}
#if (DEV_WIEGAND_TEST_MODE)>0
AddLog_P(LOG_LEVEL_INFO, PSTR("WIE: tag out: %llu "), rfid);
AddLog_P(LOG_LEVEL_INFO, PSTR("WIE: tag size: %u"), tagSize);
AddLog_P(LOG_LEVEL_INFO, PSTR("WIE: tag out %llu, tag size %u "), rfid, tagSize);
#endif
return bRet;
}
void Wiegand::ScanForTag() {
if (!isInit) { return;}
if (!isInit) { return;}
#if (DEV_WIEGAND_TEST_MODE)>0
AddLog_P(LOG_LEVEL_INFO, PSTR("WIE: ScanForTag()."));
#if (DEV_WIEGAND_TEST_MODE==1)
switch (millis() %4 ) {
switch (millis() %4) {
case 0:
rfidBuffer = GetRandomRfid(24);
break;
@ -370,9 +373,9 @@ void Wiegand::ScanForTag() {
AddLog_P(LOG_LEVEL_INFO, PSTR("WIE: previous tag: %llu"), oldTag);
#endif
// only in case of valid key do action. Issue#10585
if(validKey) {
if (validKey) {
if (oldTag != rfid) { AddLog_P(LOG_LEVEL_INFO, PSTR("WIE: new= %llu"), rfid); }
else { AddLog_P(LOG_LEVEL_INFO, PSTR("WIE: prev= %llu"), rfid); }
else { AddLog_P(LOG_LEVEL_INFO, PSTR("WIE: prev= %llu"), rfid); }
AddLog_P(LOG_LEVEL_INFO, PSTR("WIE: bits= %u"), tagSize);
ResponseTime_P(PSTR(",\"Wiegand\":{\"UID\":\"%0llu\"}}"), rfid);
MqttPublishTeleSensor();
@ -384,14 +387,13 @@ void Wiegand::ScanForTag() {
void Wiegand::Show(void) {
if (!isInit) { return; }
WSContentSend_PD(PSTR("{s}Wiegand UID{m}%llu {e}"), rfid);
#if (DEV_WIEGAND_TEST_MODE)>0
AddLog_P(LOG_LEVEL_INFO,PSTR("WIE: Tag: %llu"), rfid);
AddLog_P(LOG_LEVEL_INFO, PSTR("WIE: %u bits"), bitCount);
#endif
#if (DEV_WIEGAND_TEST_MODE)>0
AddLog_P(LOG_LEVEL_INFO,PSTR("WIE: Tag: %llu"), rfid);
AddLog_P(LOG_LEVEL_INFO, PSTR("WIE: %u bits"), bitCount);
#endif
}
#endif // USE_WEBSERVER
/*********************************************************************************************\
* Interface
\*********************************************************************************************/